Food service tray



FIG. 1 is a top, front, and right side perspective view of a food service tray showing my new design;

FIG. 2 is a top plan view thereof drawn to an enlarged scale;

FIG. 3 is a bottom plan view thereof drawn to the same scale as in FIG. 2;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a side elevational view thereof, the opposite side being a mirror image. 

The ornamental design for a food service tray, as shown and described. 